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  • 1.
    Lageholm, Joel
    et al.
    University of Skövde, School of Engineering Science.
    Dia, Mohammed
    University of Skövde, School of Engineering Science.
    Hållfasthetsanalys och vidareutveckling av skopa för traktorer med frontlastare2018Independent thesis Basic level (university diploma), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    A bucket, designed and constructed by the company Kellfri AB for all-round usage with front-end loader equipped tractors, has been analyzed via finite element analysis in Creo Parametric. Possibilities of mass reduction, suitability in the placement of an additional detail in the upper parts of the bucket and potential strength problems in the construction was investigated. The project was initialized during the prototyping-phase of product development and at the time the bucket was considered to be over dimensioned by the company with regard to their earlier prototype-testing. Static analysis was done for three separate models; The Company’s own CAD-model, for which the strength of the bucket, as it was originally designed, was evaluated. A second model was made for the use of iterative changes in the construction, each followed by an analysis, to test different solutions for reducing the buckets mass without compromising strength and to address strength issues found in the original model. A third model, comprised of a simplified section of the buckets front, was then used to further evaluate and address the most critical of the strength problems that was found. The bucket was, at the end of the project, considered to be inadequately dimensioned for one of the features of the suggested front-end loader model. Suggestions was therefore given, with probable uncertainties accounted for, regarding a suitable area for mass reduction, changes in the design with the possibilities of cost-reduction by simplifying the manufacturing and assembly processes and also actions to be made in regard of strength problems found. Placement of the upper part-detail was considered safe and therefore given a suggested shape.

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